Cheapest return flights from Thessaloniki to Keflavik in September from 272€

AirHint found the following cheapest return flights from Thessaloniki (SKG) to Keflavik (KEF) in September 2025 (see full year).

Return flights

03 Sep - 10 Sep Ryanair
04 Sep - 11 Sep Ryanair
17 Sep - 24 Sep Ryanair
27 Sep - 04 Oct Air Serbia
18 Sep - 24 Sep Ryanair
01 Sep - 04 Sep Ryanair
27 Sep - 05 Oct Air Serbia
10 Sep - 17 Sep Ryanair
22 Sep - 27 Sep Air Serbia

Also check the deals for one-way flights from Thessaloniki to Keflavik in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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